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Ethernet innovation pits power against speed
Achieving Ethernet speeds of a terabit per second and beyond means overcoming technical obstacles of optics, power and network architecture
Credit: Dreamstime
While the move to 400G ethernet has so far been a largely hyperscaler and telco-network event, the ambition for those users, as well as data centre customers is ultimately to  move to at least 800Gbps and possibly 1.6Tbps.
And while 800Gbps seems to be a solid goal for ethernet networking visionaries, the challenges such as the optics, power, and architecture required to make the next speed leap seem formidable. ....

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